<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="js/vue.js"></script>
</head>
<body>
    <div id="app">     
        <button @click="handleClick($event,2)">查看</button>
        <!-- 同时传递参数和事件对象 -->
        {{ count }}<button @click="count++">add</button>
        <!-- 行内写法 -->
        
    </div>
    <script>
        let app = new Vue({
            el: "#app",
            data: {
                count:1
            },
            methods: {
                handleClick(event,a){
                    console.log(event);
                    console.log(a);
                }

            }
        })
    </script>
</body>
</html>